<template>
  <div>
    <!-- 主体部分 -->
    <section class="main">
      <input id="toggle-all" class="toggle-all" type="checkbox" v-model="isAll"/>
      <label for="toggle-all">Mark all as complete</label>
      <ul class="todo-list" :key="item.id" v-for="item in list">
        <!-- 当任务已完成，可以给 li 加上 completed 类，会让元素加上删除线 -->
        <li :class="{completed:item.flag}">
          <div class="view">
            <input class="toggle" type="checkbox" :checked="item.flag" @change="Change($event,item.id)"/>
            <label>{{item.name}}</label>
            <button class="destroy" @click="del(item.id)"></button>
          </div>
        </li>
        <!-- <li>
          <div class="view">
            <input class="toggle" type="checkbox" />
            <label>行万里路</label>
            <button class="destroy"></button>
          </div>
        </li> -->
      </ul>
    </section>
  </div>
</template>

<script>
export default {
  props:{
    list:{
      type:Array,
      required:true
    },
    type:{
      type:String,
      require:true
    }
  },
  methods:{
    del(id){
      this.$emit('del',id)
      // console.log(id);
    },
    Change(e,id){
      // console.log(e.target.checked);
      //子传父，将状态传回父组件
      this.$emit('Change',e.target.checked,id)
    }
  },
  computed:{
    isAll:{
      get(){
        return this.list.every(item=>item.flag)
      },
      set(value){
        this.$emit('changeAll',value)
      }
    }
  }
}
</script>

<style scoped>

</style>